import {z} from 'zod'

export type GetApiUtilsV1CreditsArgs = {time_from?: number | undefined, time_to?: number | undefined};

export type GetApiUtilsV1CreditsOptions = {baseUrl?: string | undefined, apiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const utilsCreditsUsageResponse = z.object({success: z.boolean(), data: z.object({start_time: z.number().int(), end_time: z.number().int(), usage: z.object({api: z.number().int(), ws: z.number().int(), total: z.number().int()}), remaining: z.object({api: z.number().int(), ws: z.number().int(), total: z.number().int()}).optional(), overage_usage: z.object({api: z.number().int(), ws: z.number().int(), total: z.number().int()}).optional(), overage_cost: z.object({api: z.number().int(), ws: z.number().int(), total: z.number().int()}).optional()})});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Utils - Credits Usage of current account
 * 
 * GET /utils/v1/credits
 */
export const getApiUtilsV1Credits = async (args: GetApiUtilsV1CreditsArgs, options?: GetApiUtilsV1CreditsOptions) => {
const {baseUrl = "https://public-api.birdeye.so", fetch: fetchFn = fetch, apiKeyAuth} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args.time_from != null) query.append("time_from", String(args.time_from))
if (args.time_to != null) query.append("time_to", String(args.time_to))
if (apiKeyAuth !== undefined) headers.set("X-API-KEY", apiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/utils/v1/credits${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(utilsCreditsUsageResponse, await res.json())
};